Linked Questions
18 questions linked to/from Golf a mutual quine
4
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2
answers
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Inter-language 2-cycle quine [duplicate]
Challenge
Create 2 programs A and B
The output of program A is exactly program B
The output of program B is exactly program A
Neither program should depend on inputs to yield the correct output
A ...
- 197
2
votes
2
answers
338
views
Generate code in another language [duplicate]
Write a program in language A which outputs a program in language B where:
Language A != Language B
The output is itself a solution to this question.
This is a popularity contest. If you want to ...
- 129
36
votes
21
answers
4k
views
Write a Polyquine
A polyquine is both quine and polyglot.1 You are to write a quine which is valid in at least two different languages. This is code golf, so the shortest answer (in bytes) wins.
1 I made that up. Or ...
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31
votes
21
answers
4k
views
Interquine - Two programs that output each other in a loop
Program A outputs program B's code when run, and B outputs A's source.
Requirements:
Only one language across both programs
Programs are different. One program that outputs itself does not qualify. ...
- 2,691
22
votes
14
answers
3k
views
Cheating Cyclic Quine
Concept
Write a program that outputs code in its programming language. That code, when executed, must output the original program.
Rules
Since this is a cheating quine, you can read the original ...
- 6,404
21
votes
15
answers
10k
views
Generate a random program in your favorite language [closed]
We all heard of testing compilers using randomly generated inputs. Your task is to write a program to generate a valid program (including no undefined behavior) in your favorite language. The ...
- 6,134
36
votes
6
answers
1k
views
Mutually Exclusive Quines
Your challenge is simple. Write two programs that share no characters which output each other.
Example
Two programs P and Q are mutually exclusive quines if:
P outputs Q
Q outputs P
There is no ...
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27
votes
7
answers
2k
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Mutual Negative Quines
This was inspired by Print a Negative of your Code and Golf a mutual quine.
Consider a rectangle of characters, that meet the following restrictions:
Consists solely of printable ASCII characters
...
- 9,155
28
votes
6
answers
2k
views
Can you Meta Quine?
Similar to other quine puzzles (more specifically, this one), write a program that produces the source for itself.
Here's the new twist: The code produced should NOT be identical to the source. ...
- 3,707
25
votes
4
answers
3k
views
Implement ROT-47... in ROT-47
Challenge: Implement ROT-47 in code that works as both itself and as the ROT-47 version of itself.
Scoring:
Your score is calculated as a percentage of used, ROT-47 eligible bytes in total of both ...
- 4,820
12
votes
8
answers
1k
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Quine Challenge I
Challenge
In this task you have to write a program that will take input
an integer N (-1e9 <= N < 0 && 0 < N
<= +1e9), then compute T = (abs(N) %
M+1),if N is positive ...
- 2,397
17
votes
3
answers
1k
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Write a third order quine
This challenge is an extension of 'Golf a mutual quine'.
Using three languages of your choice, create a third order Ouroboros program.
That is, in language A, write a program pA which outputs ...
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15
votes
3
answers
1k
views
Codegolf: Quine and Antiquine
This challenge is similar to Can you Meta Quine?
A quine is a program that produces itself on STDOUT. This challenge is to produce a program A which when run produces a program B on STDOUT. Program B ...
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11
votes
4
answers
545
views
Period 2 Reversed Quine
Your task is to write a program that outputs its own source code in reverse. However, when the reversed code is run, it should output the source code, facing the correct direction.
Example
Say your ...
- 334
7
votes
2
answers
613
views
Golfing Relay Race
You need to write a program in any language that will produce (source code for) a program in a different language. That program will produce a 3rd program in another language and so on.
You should ...
- 173
18
votes
2
answers
815
views
Quine that takes as input the name of a language and outputs the same thing implemented in the input language
From Quine central:
Write a quine that takes as input the name of a language and outputs the same thing implemented in the input language.
The source article has something you can work from, but as ...
- 12.8k
13
votes
2
answers
443
views
Cyclic strings, hidden programs
Write 3 programs that do the following task:
Let A, B, C source codes of those three programs;
if A runs BC is produced as output,
if B runs CA is produced,
if C runs AB is produced;
so each program ...
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8
votes
1
answer
512
views
Cyclic Weak Levenquine
This question asking us to make a "Cyclic Levenquine" has gone unanswered. So today we will ask a slightly simpler version. In this challenge we will define a K-Levenquine to be a program whose ...
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